Bookmark



March 16, 3948. w, GRAHAM 2,438,048

BOOK MARK Filed Jan. 28, 1947 INVENTOR. W/ll/am J 6/0/7001 BYjW AttorneyPatented Mar. 16, 1948 i Nl'iED S ATES ATENT GFFICE.

4 Claims.

This invention relates to book marks, and aims to provide a book markmade of a single piece of material such as, for instance, metal orsocalled plastic material, which is adapted to be inserted into thespace between the pages of a book and the interior binding of the leavesor the outer binding in the case of books lacking an interior binding,in such manner that the place is positivly marked and the marker issecurely held in place with no danger of its becoming displaced orfalling out.

The above general as well as additional and more specific objects willbecome apparent in the following description, wherein characters ofreference refer to like-numbered parts in the accompanying drawing. Itis to be noted that the drawing is intended for the purpose ofillustration only, and that it is neither desired nor intended to limitthe invention necessarily to any or all of the exact details ofconstruction shown excepting insofar as they may be deemed essential tothe invention.

Referring briefly to the drawing,

Fig. 1 is a fragmentary perspective view of a book, with parts brokenaway and partly in section, showing the book mark of this inventionapplied thereto.

Fig, 2 is a side elevational view of the book mark per se.

Fig. 3 is a sectional view taken on the line 3--3 of Fig. 2.

Fig. 4 is a plan view of the book mark per se.

Referring in detail to the drawing, the numeral ID indicates a bookhaving the outer binding II and the inner binding I2, the pages I3 beingheld together by the latter.

The book mark I4 comprises a top fiat member I5 which may be, as shown,triangular in plan view, the triangle being illustrated as a righttriangle. From one of the sides of the right angle formed by two of theedges of the top I5, and integral with the latter, a relatively longfiat leg Iii extends downward, the junction of the leg I6 with the topI5 being rounded as shown at I1.

Likewise, from the adjacent side of the right angle, the relativelyshorter leg I8 extends down ward, with the junction of this leg with thetop I5 also being rounded, as shown at I9. Both legs I6 and I8 lie atright angles to the plane of the top I5, and it is obvious that theembed portions Il' and I9 carry the legs I6 and I8, respectively.outward thereby providing a slot-like space 2e between the mutuallyadjacent edges of the two legs. The legs, of course, possess a degree ofresiliency.

When a book such as is illustrated in Fig. 1 is fully opened, not shown,the interior binding I2 is lifted by the pages I3 away from the exteriorbinding I I, thereby providing a greater space between the two bindingsthan is shown in Fig. 1. This space, in its reduced form when the bookis nearly closed, as illustrated, is indicated at 2|, and when the bookis fully closed, the space vanishes, as is obvious.

In use, the shorter leg I8 is used as the actual spacer between theleaves of the book, and the mark is inserted in the following manner.First the protruding lower extremity of the longer leg I5 is positionedflat against the interior binding I2 and between the two bindings I Iand I2, and the mark I4 is then pushed down into the position shown inFig. 1. The resiliency between the legs and the top I5 permit of someoutward bending of the legs, wh'ence, when released, the flexed legssecurely lock the mark in position. Thus, the provision of one leg, I 6,longer than the other leg, I 8, permits of the longer leg serving as aguide in positioning the mark prior to pushing it down, or inserting theleg I8, between the leaves.

The simplicity of construction of the device enables it to bemanufactured at a low cost, and its practical utility as above set forthmake it a desirable article for all who read or use books.

Obviously, modifications in form and structure may be made withoutdeparting from the spirit or scope of the invention,

I claim:

1. A book mark comprising a top member substantially triangular inoutline, legs extending at right angles to said top member from twoadjacent sides thereof, one of said legs being longer than the other ofsaid legs, said legs lying in planes at right angles to each other andhaving their juxtaposed edges spaced from one another.

2. .A book mark comprising a top member having substantially theconformation of a right triangle, legs extending at right angles to saidtop member from the two sides thereof which form the right angle of thetriangle, said legs lying in planes at right angles to each other andhaving their juxtaposed edges spaced from one another.

3. The book mark set forth in claim 2, one of said legs being longerthan the other of said legs.

4. The book mark set forth in claim 2, the junctions of said legs withsaid top member being convexly rounded.

WILLIAM J. GRAHAM.

REFERENCES CITED 7 The following references are of record in the file ofthis patent:

UNITED STATES PATENTS Number Name Date 475,348 Saunders May 24, 18921,711,046 Deutsch Apr. 30, 1929

